carbon footprint
noun [ C ] environment uk/ˌkɑː.bən ˈfʊt.prɪnt/ us/ˌkɑːr.bən ˈfʊt.prɪnt/
B2 碳足迹(个人活动而产生的二氧化碳气体的排放量)
Someone's carbon footprint is a measurement of the amount of carbon dioxide that their activities produce.
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